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Translate files Efficacy
/ˈɛfɪkəsi/
Meaning & Definition
noun
The ability to produce a desired or intended result.
The efficacy of the new vaccine was demonstrated in clinical trials.
Effectiveness; the capacity to produce a desired effect.
Researchers are studying the efficacy of various treatments for the disease.
The power to produce an effect.
The efficacy of the advertising campaign was reflected in the increased sales.
The degree to which something is successful in producing a desired result.
There are concerns about the long-term efficacy of the drug.
Success in achieving the intended outcome.
The efficacy of meditation in reducing stress has been well-documented.
Etymology
Late Latin 'efficacia', from 'efficax' meaning 'effective'.
Common Phrases and Expressions
efficacy of a treatment:
The ability of a treatment to provide the intended health benefit.
efficacy research:
Studies conducted to evaluate the effectiveness of treatments or interventions.
demonstrate efficacy:
To show that something is able to produce the desired effect.
Related Words
Slang Meanings
Do the job
That new app really does the job when it comes to improving productivity.
Hits the mark
The new marketing strategy hits the mark in attracting a younger audience.